require 'rvg/rvg'

Magick::RVG.dpi = 90

rvg = Magick::RVG.new(12.cm, 4.cm).viewbox(0, 0, 1200, 400) do |canvas|
  canvas.background_fill = 'white'
  canvas.desc = 'Example polygon01 - star and hexagon'

  # Show outline of canvas using the 'rect' method
  canvas.rect(1195, 395, 1, 1).styles(fill: 'none', stroke: 'blue', stroke_width: 2)

  canvas.polygon(
    350, 75, 379, 161, 469, 161, 397, 215,
    423, 301, 350, 250, 277, 301, 303, 215,
    231, 161, 321, 161
  ).styles(fill: 'red', stroke: 'blue', stroke_width: 10)

  canvas.polygon(
    850, 75, 958, 137.5, 958, 262.5,
    850, 325, 742, 262.6, 742, 137.5
  )
        .styles(fill: 'lime', stroke: 'blue', stroke_width: 10)
end

rvg.draw.write('polygon01.gif')
